Carrier P374-1500 Owner's Manual page 20

About Advanced Features & Operation
PROGRAMMABLE FAN - If the Programmable Fan timer is
set to a value other than 0:00, the fan will run for the
preprogrammed amount of time,
The Programmable Fan timer will start the fan at the top
of each hour. The Programmable Fan may be active
even if the thermostat mode is Off. Steps 15 & 16
restrict the hours in which Programmable Fan may
operate. Step# 15, page 14 is the start time and step# 16
is the stop time. Setting the times to the same setting
in both steps 15 & 16 will allow Programmable Fan to
operate 24 hours a day.
EMERGENCY HEAT - Is a feature available to this
thermostat. To turn on Emergency Heat press in the
Fan button. While holding the Fan button press
Up button for 2 seconds. The Cool setpoint display
will read 'EH'.
Press for
Emergency Heat
FAN
During Emergency Heat the thermostat will turn
on the fan and the 2nd & 3rd stage of heat, when there
is a demand for heat, locking out the 1st stage compressor.
Exiting Emergency Heat is the same as entering. During
Emergency Heat only OFF and HEAT are available.
page 14, step# 14.
:
eh
12:00
73
Am
Mo
74
Page 19
the
H
EAT
o